-module(munch_native_ffi).

-export([init/1]).

init(Algorithm) ->
    try
        {ok, crypto:hash_init(algorithm(Algorithm))}
    catch
        _:_ ->
            {error, nil}
    end.

algorithm(<<"md5">>) -> md5;
algorithm(<<"sha1">>) -> sha;
algorithm(<<"sha224">>) -> sha224;
algorithm(<<"sha256">>) -> sha256;
algorithm(<<"sha384">>) -> sha384;
algorithm(<<"sha512">>) -> sha512.